Hyunsik Choi created TAJO-1253:
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Summary: Catalog API should be queryable
Key: TAJO-1253
URL: https://issues.apache.org/jira/browse/TAJO-1253
Project: Tajo
Issue Type: New Feature
Components: catalog
Reporter: Hyunsik Choi
TAJO-1176 is trying to add queryable catalog information. But, currently
Catalog API is not quryable. In other words, Catalog retrieves all tables, and
all tablespaces, and all functions. It is not scalable.
It would be great if Catalog API takes some conditions like {{table_name LIKE
'T%'}} or {{table_name = 'orders'}}. This approach can be adopted to functions,
tables, columns, tablespaces, and partitions.
We already use RDBMS as catalog persistent storages. All RDBMSs provides
abundant features, including indexing features. They allow very efficient
implementations
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